code: def main(args):
      # download otb2015 dataset
      download_otb(args)
      print("otb2015 dataset has already download completed")
  
file_path: gluon-cv/scripts/datasets/otb2015.py
imports: import argparse
  import tarfile
  import os
  import time
  import json
  import numpy
  from gluoncv.utils import download, makedirs
label_desc: Use image node_id 3 for calling a global function with example usage: main(args) without return types